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Inclusions of hematite in feldspar (sunstone), India
Agate from Reichweiler, Germany
Two-phase inclusion in amethyst, Brazil
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Partially etched diamond crystal
Structure in a healing fissure in topaz from Brazil
Dendrites in agate
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil

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